/*
 * Copyright (c) 2004-2022, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the HISP project nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.hisp.dhis.system.collection;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.util.ArrayList;
import java.util.List;
import org.hisp.dhis.commons.collection.UniqueArrayList;
import org.hisp.dhis.period.MonthlyPeriodType;
import org.hisp.dhis.period.Period;
import org.hisp.dhis.period.PeriodType;
import org.joda.time.DateTime;
import org.junit.jupiter.api.Test;

/**
 * @author Lars Helge Overland
 */
class UniqueArrayListTest {

  @Test
  void testAdd() {
    List<Period> list = new UniqueArrayList<>();
    PeriodType periodType = new MonthlyPeriodType();
    Period peA = periodType.createPeriod(new DateTime(2000, 1, 1, 0, 0).toDate());
    // Duplicate
    Period peB = periodType.createPeriod(new DateTime(2000, 1, 1, 0, 0).toDate());
    Period peC = periodType.createPeriod(new DateTime(2000, 2, 1, 0, 0).toDate());
    list.add(peA);
    list.add(peB);
    list.add(peC);
    assertEquals(2, list.size());
    assertTrue(list.contains(peA));
    assertTrue(list.contains(peB));
    assertTrue(list.contains(peC));
  }

  @Test
  void testAddAll() {
    List<Period> list = new ArrayList<>();
    PeriodType periodType = new MonthlyPeriodType();
    Period peA = periodType.createPeriod(new DateTime(2000, 1, 1, 0, 0).toDate());
    // Duplicate
    Period peB = periodType.createPeriod(new DateTime(2000, 1, 1, 0, 0).toDate());
    Period peC = periodType.createPeriod(new DateTime(2000, 2, 1, 0, 0).toDate());
    list.add(peA);
    list.add(peB);
    list.add(peC);
    assertEquals(3, list.size());
    List<Period> uniqueList = new UniqueArrayList<>();
    uniqueList.addAll(list);
    assertEquals(2, uniqueList.size());
    assertTrue(uniqueList.contains(peA));
    assertTrue(uniqueList.contains(peB));
    assertTrue(uniqueList.contains(peC));
  }

  @Test
  void testCollectionConstructor() {
    List<Period> list = new ArrayList<>();
    PeriodType periodType = new MonthlyPeriodType();
    Period peA = periodType.createPeriod(new DateTime(2000, 1, 1, 0, 0).toDate());
    // Duplicate
    Period peB = periodType.createPeriod(new DateTime(2000, 1, 1, 0, 0).toDate());
    Period peC = periodType.createPeriod(new DateTime(2000, 2, 1, 0, 0).toDate());
    list.add(peA);
    list.add(peB);
    list.add(peC);
    assertEquals(3, list.size());
    List<Period> uniqueList = new UniqueArrayList<>(list);
    assertEquals(2, uniqueList.size());
    assertTrue(uniqueList.contains(peA));
    assertTrue(uniqueList.contains(peB));
    assertTrue(uniqueList.contains(peC));
  }
}
